import os

from django.test import TestCase
import time
import random
import re
# from phones import models

# a = re.match("^[0-9a-zA-Z_]+$", "")  只支持数字 字母 下划线

# import urllib.parse
# print(urllib.parse.unquote("%e5%8d%8e%e4%b8%ba"))

# path = r"D:\PyCharm_workspace\Projects\PhoneStore/static/media/1587439877414.jpg"
# print(path)
# if os.path.exists(path):
#     os.remove(path)

#
# a = 1636*4 + 448 * 6 + 112 * 8 + 285 *10
# print(a/(1636+397))
# from decimal import Decimal
# a = round(2.55+10,3)
# print(a)
# import datetime
# now_time = datetime.datetime.now()
# now_time = now_time.strftime('%Y-%m-%d %H:%M:%S')
# print(now_time)
#
# a = "  1"
# print(a)
# a1 = a.split(" ")
# print(a1)
import random
a = random.randint(47,100)
print(a)










